.virtual-list-container {
    height: 500px;
    width: 40%;
    margin: 20px auto;
    border: 1px solid;
    overflow: auto;
    position: relative;

    #occupy {
        position: absolute;
        top: 0;
        right: 0;
        left: 0;
        z-index: -1;
    }

    #items {
        position: absolute;
        width: 100%;
    }
    .list-item {
        border-bottom: 1px solid;
        height: 50px;
        line-height: 50px;
    }
}
